An object is projected horizontally at 8.0 m/s from the top of a 122.5 m cliff. How far from the base of the cliff will the object strike the ground?
What is 40 m?
100
If a car moves 5000m in 250s, how fast is the velocity?
What is 20?
200
TOTAL OF POTENTIAL AND KINETIC ENERGY TOGETHER
What is MECHANICAL ENERGY?
200
Work/Time
What is POWER
200
Part of a pencil that is placed in a glass of water appears bent in relation to the part of the pencil that extends out of the water. This is _____________
What is REFRACTION?
200
A basketball is held over head at a height of 2.4 m. The ball is lobbed to a teammate at 8 m/s at an angle of 40°. If the ball is caught at the same height it was tossed at, how far away is the teammate?
What is 6.2 m?
200
The peregrine falcon is the fastest of flying birds. A falcon can fly 1.73 km downward in 25s. What is the average velocity of a peregrine falcon?
What is 86.5 m/s?
300
HOW FAST AN OBJECT IS GOING
What is SPEED?
300
Distance/Time
What is VELOCITY
300
SI UNITS FOR MOMENTUM
What is N*m
300
A hunter aims directly at a target (on the same level) 140 m away. If the bullet leaves the gun at a speed of 280 m/s, by how much will the bullet miss the target?
What is 1.23 m?
300
9,81 m/s^2
What is GRAVITY?
400
AN OBJECT MOVING THROUGH AIR, ONLY AFFECTED BY GRAVITY
What is PROJECTILE?
400
D= Vi*t+(1/2)*a*t^2
Vi=Vi+a*t
What is KINEMATIC EQUATIONS
400
Coherence is the property by which 2 waves with the identical wavelengths maintain a constant ________
What is PHASE RELATIONSHIP?
400
A bullet traveling 800 m/s horizontally hits a target 180 m away. How far does the bullet fall before it hits the target?
What is .26m ?
400
A worker pushes a box with a horizontal force of 40 N over a level distance of 4 m. If a frictional force of 27 N acts on the box in a direction opposite to that of a worker, what net work is done on the box?
What is 52?
500
FORCES THAT ARE IN OPPOSITION TO THE RELATIVE MOTION OF AN OBJECT THROUGH THE AIR
What is DRAG/AIR RESISTANCE?
500
P=MV
What is MOMENTUM
500
IF THE KINETIC ENERGY IS NOT CONSERVED, THE THE COLLISION IS _________
What is INELASTIC?
500
A ball is thrown horizontally from the roof of a building 50 m tall and lands 45 m from the base. What was the ball’s initial speed?
What is 14 m?
500
A skier with a mass of 84kg hits a ramp of snow at 32 m/s and becomes airborne. At the highest point of the flight, the skier is 4.7 m above the ground. What is the skiers gravitational potential energy at this point?